//go:build linux

package host

import (
	"os"
	"path/filepath"
	"testing"

	"github.com/carlosframework/platform/internal/hostbox"
	"github.com/carlosframework/platform/internal/rootstate"
	"golang.org/x/sys/unix"
)

func TestPlan14InventoryCapturePhysicalTypes(t *testing.T) {
	root := t.TempDir()
	path := filepath.Join(root, "payload")
	if err := unix.Mkfifo(path, 0600); err != nil {
		t.Fatal(err)
	}
	if _, err := hostbox.CaptureInventoryIdentity(root, "payload"); err == nil {
		t.Fatal("captured fifo as inventory payload")
	}
	if err := os.Remove(path); err != nil {
		t.Fatal(err)
	}
	if err := os.WriteFile(path, []byte("payload"), 0600); err != nil {
		t.Fatal(err)
	}
	if err := os.Link(path, filepath.Join(root, "alias")); err != nil {
		t.Fatal(err)
	}
	if _, err := hostbox.CaptureInventoryIdentity(root, "payload"); err == nil {
		t.Fatal("captured multiply-linked inventory payload")
	}
}

func TestPlan14InventoryCaptureCannotClaimOldBoot(t *testing.T) {
	root := t.TempDir()
	if err := os.Mkdir(filepath.Join(root, "state"), 0700); err != nil {
		t.Fatal(err)
	}
	id := inventoryIdentityFixture(t, root, "state")
	e := hostbox.StopInventoryEntry{ArtifactID: "state", Kind: "path", ManagedRoot: "data", RelativePath: "state", Materialization: "materialized", Identity: id, Device: id.Device, Inode: id.Inode, Type: id.Mode & 0170000}
	h := ClaimRootHTTP{Roots: map[string]string{"data": root}}
	for _, prior := range []hostbox.StopInventory{{}, {Entries: []hostbox.StopInventoryEntry{{ArtifactID: "state", Materialization: "intended"}}}} {
		if err := h.verifyNewInventoryIdentities(prior, hostbox.StopInventory{Entries: []hostbox.StopInventoryEntry{e}}); err != nil {
			t.Fatal(err)
		}
		forged := e
		forged.Identity.Boot = "earlier-boot"
		if err := h.verifyNewInventoryIdentities(prior, hostbox.StopInventory{Entries: []hostbox.StopInventoryEntry{forged}}); err == nil {
			t.Fatal("accepted caller's cross-boot capture")
		}
	}
}

func inventoryIdentityFixture(t *testing.T, root, relative string) rootstate.FileIdentity {
	t.Helper()
	id, err := hostbox.CaptureInventoryIdentity(root, relative)
	if err != nil {
		t.Fatal(err)
	}
	return id
}